Homebrew PCBs

I'll probably get both the diamond saw and the shear.

So here's the next subject for discussion.

I'll be building a small quantity of 3" x 5" boards.  I've eliminated all traces between pads and arranged all the holes on a 0.1" grid so it is easy to use a piece of perf board as a drill guide.  I'm planning to align the toner artwork with the holes using a light box, tape it to the board, and heat the package in a vacuum bag.

Has anyone else tried this or other method to align artwork with predrilled boards?  

Eyeball registration using transparent diazo artwork was a common method in the PC industry 20 years ago.  
  ----- Original Message ----- 
  From: Dave Mucha 
  To: Homebrew_PCBs@yahoogroups.com 
  Sent: Thursday, November 25, 2004 10:33 PM
  Subject: [Homebrew_PCBs] Re: PCB Shear



  --- In Homebrew_PCBs@yahoogroups.com, "Earl T. Hackett, Jr." 
  <hacketet@c...> wrote:
  > Oh dear.
  > 
  > I thought this was going to be an easy decision.


  Read the weight on the 30" brake.

  This is a monster and garage kept.

  I had to dissasemble mine to get it into the basement.

  Luckily, I have wheels for it as well as an anchor to secure it when 
  using the shear.

  I have cut 0.08" aluminum, but it pushes the unit to the limits.  I 
  expect to break something if I keep doing that.  Even the steel at 
  the rated thickness is an effort to shear.

  Dave








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